Home / 2,405.28-3,605.39-943.44

Finding the Fourth Proportional to 2,405.28, 3,605.39 and 943.44

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Solution

The fourth proportional to 2,405.28, 3,605.39 and 943.44 is: 1,414.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405.28 : 3,605.39 = 943.44 : x
  2. Step 2: Convert to fraction form
    2,405.28/3,605.39 = 943.44/x
  3. Step 3: Cross multiply
    2,405.28x = 3,605.39 × 943.44
  4. Step 4: Simplify right side
    2,405.28x = 3,401,469.14
  5. Step 5: Solve for x
    x = 3,401,469.14/2,405.28
  6. Step 6: Final answer
    x = 1,414.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.